package com.zhang.Bridge.example;

/**
 * @author ElloeStudy(Sifa Zhang)
 * @create 2022-03-06 21:09
 * To: 真常应物，真常得性，常清常静，常清静矣
 */
public abstract class Product {
    public abstract void beProducted();
    public abstract void beSelled();
}
